Abstract

A stable tunable dual-wavelength random fiber laser is presented in this paper. It is based on the combination of an erbium-doped fiber and a Raman gain amplifier as an active medium and a single-mode fiber as distributed mirror forming a cavity with the fiber Bragg gratings using Rayleigh scattering as random distributed feedback with bidirectional pumping from a unique pump source. An output power instability as low as 0.11 dB has been attained. The 3-dB line-width is 0.13 nm, the optical signal-to-noise ratio is up to 50 dB and the dual-wavelength tunable band is over 9 nm.

© 2016 IEEE

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